T. rex had a teenage growth spurt – but not all dinosaurs

[ad_1] But so far it was not clear if all dinosaurs shared this growth pattern. Was a period of extreme T. rex growth the only way dinos could grow into full adults? A study of fossilized bone samples from 11 different dinosaurs released on Tuesday found that while some transformed during a growth spurt in … Read more

Not just lizards – alligators can grow back their tails too

[ad_1] American alligators are about as close to dinosaurs as you can get in modern times and can grow up to 14 feet in length. While much smaller reptiles such as lizards are able to regenerate their tails, the question of whether the much larger alligator is able to repel their massive tails has not … Read more

Optical illusions show how animals perceive the world

[ad_1] Visual illusions remind us that we are not passive decoders of reality but active interpreters. Our eyes pick up information from the environment, but our brains can play tricks on us. Perception does not always correspond to reality. Scientists have used illusions for decades to explore the psychological and cognitive processes that underlie human … Read more

Watch SpaceX launch a batch of Starlink satellites from Cape Town

[ad_1] Emre kelly | Florida today Watch live as SpaceX targets 9:13 p.m. ET Tuesday for the launch of its 16th batch of Starlink Internet satellites from Cape Canaveral Air Force Base in Florida. Because the mission with 60 satellites requires an instant window, Falcon 9 must launch right on time or delay to another … Read more

These ants dress in protective “ biomineral armor ” never before seen in insects

[ad_1] Ants are fairly organized little creatures. Very social insects, they know how to forage, build complicated nests, steal your pantry snacks, and generally care for queens and the colony, all working together. Leaf-cutter ants increase this cooperation by several notches. Colonies of leaf-cutter ants like Acromyrmex echinatior can contain millions of ants, divided into … Read more

SpaceX targets next week for Starship’s first high-altitude test flight

[ad_1] TipRanks Bull Moves: Analysts Just Upgraded These 3 Hot Stocks The world’s largest asset manager is impressed by recent market gains and has made that sentiment clear by upgrading US stocks. In its recent reassessment of conditions in U.S. financial markets, investment giant BlackRock released a general upgrade for Wall Street. This was not … Read more

New x-ray technique reveals clues to 1900-year-old mummy

[ad_1] The researchers used a new combination of CT (computed tomography) technology and X-ray diffraction to reveal clues to an Egyptian mummy from Roman times, discovered in Hawara, Egypt. For nearly a century, Egyptian mummies have been imaged non-invasively with X-rays. In findings reported in the Journal of the Royal Society on Tuesday, the team … Read more

SpaceX’s biggest Falcon 9 booster returns to port yet with a meager

[ad_1] On November 19, what is arguably SpaceX’s biggest Falcon 9 booster returned to Port Canaveral with a surprise – perhaps the most dramatic skinny ever seen on any of the recovered rockets. Tilted more than 10 degrees from vertical, the tilt was immediately visible as soon as the top of the rocket reached the … Read more

Leaf cutter ant, first insect found with biomineral body armor

[ad_1] Soldier Atta cephalotes, the largest worker caste within the leaf-cutter ant colonies, extending their mandibles over a worker Acromyrmex echinatior. The main workers of Acromyrmex echinatior have a layer of high-magnesium calcite that acts as armor, protecting them from attacks from rival ant species, like the Atta soldier pictured here. Credit: Caitlin M. Carlson … Read more